ENGINE PERFORMANCE – Pontiac Firebird Formula 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.8L

3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird Formula 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird Formula 1999:

• (front of engine) g125
• (left side of cyl block) knock sensor (ks) bank 1
• 1-2 shift sol control
• 18x ref
• 18x reference
• 2-3 shift sol control
• 2nd gear ind ctrl
• 3x ref
• 3x reference
• Bank 1 ks input
• Bank 2 ks input
• Battery
• Body control module
• Bypass
• Ckp 18x sig
• Ckp sync sig
• Cmp input
• Cmp output
• Cmp signal
• Cooling fan system
• Cruise module, radio & inst cluster
• Data link connector (under dash, to the right of steering column)
• Ect sensor ground
• Egr control ground
• Egr pos sensor ground
• Electronic brake & traction control module
• Electronic ignition control module (icm) (at front end of left cylinder head)
• Eng ctrl fuse 15a
• Evap purge valve cont
• Evaporative emissions (evap) canister purge solenoid valve (right front of eng, next to inj 2)
• Fuel inj 1 control
• Fuel inj 2 control
• Fuel inj 4 control
• Fuel inj 5 control
• Fuel inj 6 control
• G114 (rear of left cylinder head)
• G125 (front of engine)
• Ground
• Hi speed cool fan cont
• Ho2s 1 low
• Ho2s 2 low
• Hot at all times
• Hot in run and start
• Hot in run, bulb test and start
• Iat sensor ground
• Ign
• Ign control
• Ign voltage
• Ignition
• Ignition control
• Instrument cluster system (tach signal)
• Knock sensor (ks) bank 2 (right side of cyl block)
• Lo speed cool fan cont
• Maf sensor input
• Map sensor ground
• Mass air flow (maf) sensor (in air duct, front of int manifold)
• Pcm batt fuse 10a
• Pcm ground
• Pcm ign fuse 15a
• Pnk
• Pnk a
• Powertrain control module (pcm) (in eng compt, behind right strut tower)
• Ref low
• Reference low
• Requested torque in
• S107
• S108
• S110
• S182
• Serial data (class 2)
• Signal
• Star connector
• Stoplamp/ tcc switch (on brake pedal support) c2
• Tac serial data
• Tan
• Tcc switch input
• Theft deter fuel enable
• Trans range a input
• Underhood electrical center 1 (left front of eng compt)
• Underhood electrical center 2 (left front of eng compt)
• Vehicle speed sensor (vss) (on rear side of transmission)
• Vss high
• Vss low
• Vss output

3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird Formula 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird Formula 1999:

• (eng harn, approx 2 cm from inj 3 breakout)
• (under console near shift control lever) park/neutral position (pnp) switch
• 1-2 shift sol
• 2-3 shift sol
• 2nd gear ind
• 3-2 shift sol
• A/t fluid pressure manual valve position switch
• A/t fluid temp sensor
• Automatic transaxle
• Camshaft position sensor (cmp) (engine front cover)
• Control solenoid
• Crankshaft position sensor (ckp) (lower front of eng)
• Fuel injectors
• G125 (front of eng)
• G125 (front of engine)
• Hot in run
• Hot in run, bulb test and start
• I/p fuse block
• Inj 1 fuse 15a
• Pnk
• Pressure a
• Red
• Rev
• S102 pnk
• S144 (eng harn, approx 4 cm from inj 3 breakout)
• S145
• S207
• S215
• Second gear start switch
• Tan
• Tcc pwm sol
• Tcc sol
• Turn b/u fuse 2 20a
• Underhood electrical center 2 (left front of eng compt)

3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird Formula 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird Formula 1999:

• (eng harn, approx 3 cm from inj 5 breakout)
• (eng harn, approx 8 cm from pcm breakout)
• (i/p harn, coupe: 40 cm conv: 46 cm from i/p pass through in-line connector that is forward of rear axle)
• (on air intake duct, forward of intake manifold) intake air temperature (iat) sensor
• (top right of engine) evaporative emissions canister vent solenoid valve
• A10
• B10
• Exhaust gas recirculation (egr) valve (left front of engine)
• Fuel level sensor
• Fuel pump
• Fuel pump fuse 15a
• Fuel pump relay
• Fuel tank pressure sensor (in fuel tank)
• Fuel tank unit
• G125 (front of engine)
• G309 (left door sill)
• Hot at all times
• Manifold absolute pressure (map) sensor (right side of intake manifold)
• Motor driver
• Mtr drive hi
• Mtr drive lo
• Nca
• Pnk
• Red
• S117
• S121
• S171
• S244
• Tac srl data
• Tan
• Throttle actuator control
• Throttle actuator control module
• Tps1 5v ref
• Tps1 gnd
• Tps1 sig
• Tps2 5v ref
• Tps2 gnd
• Tps2 sig
• Underhood electrical center 1
• Underhood electrical center 2

3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird Formula 1999

List of elements for 3.8L VIN K, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird Formula 1999:

• (front of engine)
• (front of engine) g125
• (in underhood electrical center no2)
• (w/ nc1)
• 2nd gear start sig
• 3-2 sol control
• 5 volt reference a
• 5 volt reference b
• A/c comp relay control
• A/c ref press sensor in
• A/c refrigerent pressure sensor (above right front wheelwell, attached to refrigerent line)
• A/c request
• A/c system
• A/t fluid temp input
• Air pump relay
• Air pump rly ctrl (if equipped)
• Charging system
• Clutch anticipate sig
• Cruise control system
• Cruise control/ clutch anticipate switch (on clutch pedal bracket)
• Cruise ctrl release sig
• Delivered torque out
• Ect sensor input
• Egr pintel position input
• Egr valve control
• Electronic brake & traction control module
• Eng oil level sw input
• Eng sen fuse 20a
• Eng speed out
• Engine coolant temperature (ect) sensor (below throttle body, at front of eng)
• Engine oil level switch (inside of oil pan)
• Evap solenoid control
• Fuel inj 3 control
• Fuel level input
• Fuel pump relay control
• Fuel tank press sensor
• G114 (rear of left cylinder head)
• G125
• Gauges fuse 9 10a
• Gen term l control
• Heated oxygen sensor bank 1 sensor 1 (on left exhaust manifold)
• Heated oxygen sensor bank 2 sensor 1 (on right exhaust manifold)
• Heated oxygen sensor bank sensor 3 (rear of cat converter)
• Ho2s 1 input
• Ho2s 2 input
• Hot in run, bulb test and start
• Hot in start
• I/p fuse block
• Iat sensor input
• Ignition
• Instrument cluster
• Low oil control
• Map sensor input
• Mil control
• Mil ind
• Nca
• Pnk
• Powertrain control module (pcm) (in eng compt, behind right strut tower)
• Press sol high control
• Press sol low control
• Red
• S104
• S108
• S110
• S111
• S170
• S206
• Sensor ground
• Strtr fuse 15a
• Tan
• Tcc pwm sol control
• Tcc sol control
• Trans range b input
• Trans range c input
• Trans range sw p input
• Underhood electrical center 2 (left front of eng compt)

5.7L

5.7L VIN G, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird Formula 1999

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (1 of 4) for Pontiac Firebird Formula 1999:

• (587)
• (eng harn, a/t: approx 8 cm from a/t breakout, m/t: approx 9 cm from vss breakout)
• (eng harn, approx 15 cm from map sensor breakout)
• (eng harn, approx 9 cm from map sensor breakout) s116
• (pin 13-16 not used)
• (pin 38-39 not used)
• (pin 49-50 not used)
• (pin 5-7 not used)
• (pin 62-64 not used)
• (pin 9-10 not used)
• (rear of left cylinder head) g114
• 5v feed
• A/c refrig press 5v ref
• A/c system
• Anti-lock brakes system
• Bank 1 lf ho2s hi
• Bank 1 lf ho2s lo
• Bank 1 lr ho2s hi
• Bank 1 lr ho2s lo
• Bank 1 sensor 1 heated oxygen sensor (in left exhaust manifold)
• Bank 1 sensor 2 heated oxygen sensor (rear of left catalytic converter)
• Bank 2 rf ho2s hi
• Bank 2 rf ho2s lo
• Bank 2 rr ho2s hi
• Bank 2 rr ho2s lo
• Batt
• Camshaft position sensor (top center rear of eng)
• Ckp sen sig
• Clutch anticipate sw sig
• Cmp sen sig in
• Cooling fan 1 rly ctrl
• Cooling fans system
• Crankshaft position sensor (right rear of eng, behind starter)
• Cruise control/ clutch anticipate switch (on clutch pedal bracket)
• Data link connector (under dash, right of steering column)
• Ect sen gnd
• Ect sen sig
• Egr sen gnd
• Egr sig
• Engine coolant temperature sensor (left side of eng, above generator)
• Front ks sig
• Fuel gnd
• Fuel inj driver no1
• Fuel inj driver no2
• Fuel inj driver no3
• Fuel inj driver no4
• Fuel inj driver no5
• Fuel inj driver no6
• Fuel inj driver no7
• Fuel inj driver no8
• Fuel injectors
• Hot in run, bulb test and start
• Hot in run, bulb test or start
• Ign
• Ign feed
• Inj1 fuse 15a
• Inj2 fuse 15a
• Knock sensor (front) (center of eng, below manifold)
• Knock sensor (rear) (center of eng, below manifold)
• Manifold absolute pressure sensor (rear of intake manifold)
• Map 5v ref
• Map sen gnd
• Nca
• Oil level switch in
• Pcm bat fuse 10a
• Pcm gnd
• Pcm ign fuse 15a
• Pnk
• Pnk a
• Pnk d
• Pnk s109
• Pnp sw sig
• Powertrain control module (in eng compt, behind right strut tower)
• Rear ks sig
• Red
• Red c
• Ref low
• S102
• S106
• S110
• S118
• S119
• S215
• Sen gnd
• Serial data
• Skip shift sol ctrl (m/t) 3-2 ss valve ctrl (a/t)
• Star connector
• Tan
• Tcc/cruise brake sw in
• Throttle position sensor (on throttle body)
• Tps 5v ref
• Trans range "b" in
• Trans range "c" in
• Under- hood electrical center 1
• Underhood electrical center 2

5.7L VIN G, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird Formula 1999

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (2 of 4) for Pontiac Firebird Formula 1999:

• (fwd lamp harn, 8 cm into solenoid breakout)
• (on brake pedal bracket) stop lamp switch
• (top left side of radiator support)
• 1-2 shift solenoid
• 2-3 shift solenoid
• 3-2 shift solenoid
• A/t
• Air pump relay
• Air sol relay
• Automatic transmission
• Automatic transmission fluid pressure
• B pnk
• Bank 2 sensor 1 heated oxygen sensor (in right exhaust manifold)
• Bank 2 sensor 2 heated oxygen sensor (rear of right catalytic converter)
• D2 sw
• D3 sw
• D4 sw
• E11
• Eng sen fuse 20a
• F11
• G108
• G114 (rear of left cylinder head)
• Hot w/ ign 1 relay energized
• Lo sw
• M/t
• Manual transmission
• Manual valve position switch
• Mass air flow sensor (in air duct, in front of intake manifold)
• Nca
• Pnk
• Pressure control solenoid valve
• Red
• Red a
• Rev sw
• Reverse inhibit solenoid
• S104
• S108
• S110
• S159
• S177
• Secondary air injection bleed valve solenoid (on right front frame rail)
• Secondary air injection pump (on right front frame rail)
• Skip shift solenoid
• Tan
• Tcc pwm solenoid
• Tcc solenoid
• Transmission fluid temp sensor
• Underhood electrical center 2

5.7L VIN G, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird Formula 1999

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (3 of 4) for Pontiac Firebird Formula 1999:

• (eng jumper harn)
• (i/p harn, 5 cm from bcm breakout)
• (rear of left cylinder head)
• A10
• Air pump fuse 25a
• B10
• Engine oil level switch (in side of oil pan)
• Exhaust gas recirculation valve (upper right front corner of eng)
• Fuel level sensor
• Fuel pump
• Fuel pump fuse 20a
• Fuel pump relay
• Fuel tank pressure sensor
• Fuel tank unit
• G114
• G114 (rear of left cylinder head)
• G316 (left door sill)
• Gnd
• Hot at all times
• Ign
• Ign ctrl sig
• Ignition coil/ module (at top of cylinder)
• Nca
• Park/neutral position switch (under console, near shift control lever)
• Plug spark
• Pnk
• Red
• Red e
• Ref lo
• S100
• S110
• S122
• S123
• S126
• S234
• S244 (i/p harn, near dash pass- through in-line connector)
• Spark plug
• Under- hood electrical center 1
• Underhood electrical center 2

5.7L VIN G, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird Formula 1999

List of elements for 5.7L VIN G, Engine Performance Wiring Diagrams (4 of 4) for Pontiac Firebird Formula 1999:

• (eng jumper harn)
• (left side of eng, on intake manifold)
• (mil)
• (pin 11-12 not used)
• (pin 22-23 not used)
• (pin 55-56 not used)
• (pin 58-59 not used)
• (pin 70-75 not used)
• (rear side of transmission) vehicle speed sensor
• (under floor pan, fwd of fuel tank) evaporative emission canister vent valve
• (w/ traction control only)
• 1-3 ss valve ctrl
• 2-3 ss valve ctrl
• A pnk
• A/c clutch rly ctrl
• A/c clutch status
• A/c refrig press sen sig
• A/c request
• A/c system
• Air pump rly ctrl
• Air solenoid rly ctrl
• Anti-lock brakes system
• Body control module
• Cool fans 2 & 3 rly ctrl
• Cooling fans system
• Cruise control system
• Cruise control, sound (camaro) & instrument cluster systems
• Cruise ctrl enable sig
• Cruise ctrl inhibit
• Egr valve ctrl
• Egr valve gnd
• Electronic brake control module
• Eng ctrl fuse 15a
• Evap can purge valve ctrl
• Evap can vent valve ctrl
• Evaporative emission canister purge solenoid valve
• Fuel level in
• Fuel pump rly ctrl
• Fuel tank pressure
• G114 (rear of left cylinder head)
• Generator term "l" out
• Gnd
• Hot w/ ign 1 relay energized
• Iac coil "a" hi
• Iac coil "a" lo
• Iac coil "b" hi
• Iac coil "b" lo
• Iat sen in
• Idle air control valve (on throttle body)
• Ign
• Ign ctrl no1
• Ign ctrl no2
• Ign ctrl no3
• Ign ctrl no4
• Ign ctrl no5
• Ign ctrl no6
• Ign ctrl no7
• Ign ctrl no8
• Ign ctrl sig
• Ign feed
• Ignition coil/ module (at top of cylinder)
• Instrument cluster
• Intake air temperature sensor (on air intake duck, fwd of intake manifold)
• Maf sen sig
• Malfunction indicator lamp
• Map sen sig
• Mil ctrl
• Nca
• Pc sol valve hi
• Pc sol valve lo
• Plug spark
• Pnk
• Powertrain control module (in eng compt, behind right strut tower)
• Red
• Ref lo
• Ref low
• Reverse inhibit sol ctrl
• S107
• S110
• S124
• S125
• S127
• S128
• S182
• S215
• Sen gnd
• Spark plug
• Starting/ charging system
• Tach out
• Tan
• Tcc pwm sol valve ctrl
• Tcc sol valve ctrl
• Tcs spark retard sig
• Tft sen sig
• Theft deter fuel enable
• Tp sen sig
• Trans range "a" in
• Underhood electrical center 2
• Vss hi
• Vss lo
• Vss out